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What is the radius of this circle if the circumference is 18 pi cm?

2 Answers

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Answer:

2.86 inches

Step-by-step explanation:

User Sdepold
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Answer: 2.86 inches

Explanation: To find the radius, then, we insert 18 in for the circumference. So 18=2∏r. Solving for r gives 9/∏, or approximately 2.86 inches.

User Judking
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